6501015013 has 2 divisors, whose sum is σ = 6501015014. Its totient is φ = 6501015012.

The previous prime is 6501015007. The next prime is 6501015019. The reversal of 6501015013 is 3105101056.

It is a balanced prime because it is at equal distance from previous prime (6501015007) and next prime (6501015019).

It can be written as a sum of positive squares in only one way, i.e., 6447768804 + 53246209 = 80298^2 + 7297^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6501015013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6501015019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3250507506 + 3250507507.

It is an arithmetic number, because the mean of its divisors is an integer number (3250507507).

Almost surely, 2^6501015013 is an apocalyptic number.

It is an amenable number.

6501015013 is a deficient number, since it is larger than the sum of its proper divisors (1).

6501015013 is an equidigital number, since it uses as much as digits as its factorization.

6501015013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 6501015013 is about 80628.8720806635. The cubic root of 6501015013 is about 1866.3527155923.

Adding to 6501015013 its reverse (3105101056), we get a palindrome (9606116069).

The spelling of 6501015013 in words is "six billion, five hundred one million, fifteen thousand, thirteen".